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COLUMBIA ANALYTICAL SERVICES. INC. <br /> y . <br /> • Q.kQC Report <br /> Client: EMCON Associates Service Request: S950079 <br /> Project: Federated-Manteca 1 Project No, 2520-100.01 Date Collected: 1/23/95 <br /> Sample Matrix: Water Date Received: 1/24/95 <br /> Date Extracted: NA' <br /> Date Analyzed: 1/31/95, 2/l/95 <br /> Surrogate Recovery Summary <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LLIFT Method <br /> Percent Recovery <br /> Sample ,Marne Lab Code u,a.cx-Trifluorotoluene <br /> Influent 5950079-001 99 <br /> Effluent 5950079-002 95 <br /> Method Blank S950131-WB 1 92 <br /> Method Blank S950201-WBl 95 <br /> CAS Acceptance Limits: 69-116 <br /> Approved By: /�1 ,4 c.,. Date: <br /> suss 1764294. <br /> Page 4 <br /> 4074 Pinnwonrl Avenito r S.7n Jocz OrA14 • Tolonhnne A0AlA17.OAf1r1 • Pny A(IA1E17.D,15R <br />